the company is a professional enterprise in the production of all kinds of speakers branded Yuesen,and its annual output is more than 12 million of all kinds of speakers. The company has superior equipment advanced process,complete test measures and high-qualified employees. In December 2001, the company had passed the authentication of quality assurance system of ISO9001:2000. Now the company mainly produces two series of speakers,one is micro-speaker for potable computer,palm DVD and mobile telephone and the other is acoustics speaker for household acoustics,TV and automobile acoustics. The products of the company are well sold to the famous domestic enterprises and are also exported to Europe, America,Japan and Korea,etc.